Home / Encode & Hash
9 utilities
Encode & Hash
Base64, hashes, JWT inspection, and reversible transforms computed locally.
Base64 Encode / Decode
Encode or decode Base64, including UTF-8 text.
URL Encode / Decode
Percent-encode and decode URI components.
HTML Entity Converter
Escape and unescape HTML entities.
Hex / Binary / Decimal
Convert among common integer bases.
MD5 Hash
Generate an MD5 digest locally.
SHA-256 / SHA-512
Hash text with Web Crypto in this browser.
UUID Generator
Create version 4 UUIDs.
JWT Inspector
Decode header and payload without verifying a signature.
HMAC-SHA256
Compute HMAC with a local secret you type.